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Date:   Tue, 6 Sep 2022 15:43:34 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Cc:     linux-kernel@vger.kernel.org, kbuild-all@lists.01.org,
        lkp@intel.com
Subject: Re: [PATCH v3 char-misc-next] misc: microchip: pci1xxxx: fix
 dependency issues in building the pci1xxxx's aux bus driver.
Message-ID: <YxdOhoQd7ClSFd8r@kroah.com>
References: <20220906124951.696776-1-kumaravel.thiagarajan@microchip.com>
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On Tue, Sep 06, 2022 at 06:19:51PM +0530, Kumaravel Thiagarajan wrote:
> build errors and warnings listed below and reported by kernel
> test robot <lkp@intel.com> on the char-misc-next branch are
> fixed in this add-on patch.
> 
> errors:
> ERROR: modpost: "auxiliary_device_init" [drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.ko] undefined!
> ERROR: modpost: "__auxiliary_device_add" [drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.ko] undefined!
> ERROR: modpost: "auxiliary_driver_unregister" [drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.ko] undefined!
> ERROR: modpost: "__auxiliary_driver_register" [drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.ko] undefined!
> ia64-linux-ld: drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.o: in function `gp_aux_bus_probe.part.0':
> mchp_pci1xxxx_gp.c:(.text+0x342): undefined reference to `auxiliary_device_init'
> ia64-linux-ld: mchp_pci1xxxx_gp.c:(.text+0x392): undefined reference to `__auxiliary_device_add'
> ia64-linux-ld: mchp_pci1xxxx_gp.c:(.text+0x5c2): undefined reference to `auxiliary_device_init'
> ia64-linux-ld: mchp_pci1xxxx_gp.c:(.text+0x612): undefined reference to `__auxiliary_device_add'
> ia64-linux-ld: drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.o: in function `pci1xxxx_gpio_driver_init':
> mchp_pci1xxxx_gpio.c:(.init.text+0x42): undefined reference to `__auxiliary_driver_register'
> 
> warnings:
> unmet direct dependencies detected for GPIOLIB_IRQCHIP when selected by GP_PCI1XXXX
> 
> Fixes: 393fc2f5948f ("misc: microchip: pci1xxxx: load auxiliary bus driver for the PIO function in the multi-function endpoint of pci1xxxx device.")
> Reported-by: kernel test robot <lkp@intel.com>
> Signed-off-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
> ---
> Changes in v3:
>   - Unwrap the error messages & warnings to display in single line

Thanks for the quick fixes, now queued up!

greg k-h